1. What is humus? The organic companent of soll, farmed by the decomposition af learves and odher plant materlals 2. Answer the following questions referring to the pipettes that DID NOT contain humus. Which size particles held back the most water? S, M or L b. Which size particles held back the least water? S, M or L What is the relationship between the size of the particles & the amount of water the soil holds back?
1. What is humus? The organic companent of soll, farmed by the decomposition af learves and odher plant materlals 2. Answer the following questions referring to the pipettes that DID NOT contain humus. Which size particles held back the most water? S, M or L b. Which size particles held back the least water? S, M or L What is the relationship between the size of the particles & the amount of water the soil holds back?
Basic Clinical Laboratory Techniques 6E
6th Edition
ISBN:9781133893943
Author:ESTRIDGE
Publisher:ESTRIDGE
Chapter1: The Clinical Laboratory
Section1.2: The Clinical Laboratory Professional
Problem 11RQ
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Using the graph answer questions 1-9. Thank you.
Transcribed Image Text:1.
What is humus?
The organic companent of soll, farmed by the decomposition af lerves and othe plant
matedals
2.
Answer the following questions referring to the pipettes
that DID NOT contain humus.
Which size particles held back the most water? 5, M or L
b. Which size particles held back the least water? S, M or L
What is the relationship between the size of the particles
& the amount of water the soil holds back?
a.
C.
Answer the following questions referring to the pipettes
that DID contain humus.
3.
a.
Which size particles held back the most water? S, M or L
b. Which size particles held back the least water? S, M or L
4.
Did the soil partides that contained humus do a better
job of holding back more water than the particles that
did not contain humus?
Yes or No
5.
Based on the 2 factors of this experiment--particle size
and humus content----describe the type of soil that
would be able to supply water for plant roots during long
periods of drought.
6.
In which soil horizon is humus located?(A,) B or C
7.
What is another name for soil that contains humus?
Top Soil
It appears that humus helps to increase or decrease the
porosity of soil. (Circle the arswer)
8.
It appears that humus helps to increase or decrease the
permeability of scil. Cree Uhe arswer!
Transcribed Image Text:55
With humus
LLL
50
With humus
45
With humus
40
35
30
25
IWith humus
Without humus
20
IWithout humus
15
Without humus
Without humus
10
5
Small
Medium
Large
Particle size
Water held back by soil in millilitres
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